# The Oil Heaters (Safety) Regulations 1977, Regulation 15: Emission of carbon monoxide


An oil heater shall be so constructed that, when it is burning at any rate at which it will burn normally, it will not emit more than one part by volume of carbon monoxide for every fifty parts of carbon dioxide.

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Source: https://www.legislation.gov.uk/uksi/1977/167/regulation/15 (the official version)
Page: https://openlegislation.uk/oil-heaters-safety-regulations-1977/regulation-15
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.